A prism is a 3D shape which has a constant cross section. This means that both ends of the solid are the same shape. If you cut anywhere along the length of the prism parallel to these ends the shape ...
Sarah and Robbie are out of their depth when trying to buy a new tank for their terrapins. How can they find out if the new tank has the same volume as the old one? Fortunately, Maths Crimes Detective ...
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